\begin{tabular}{l*{3}{c}}
\hline\hline
                    & Device used&            &            \\
                    &\multicolumn{1}{c}{(1)}&\multicolumn{1}{c}{(2)}&\multicolumn{1}{c}{(3)}\\
                    &\multicolumn{1}{c}{Unsure in reply}&\multicolumn{1}{c}{Easy to decide}&\multicolumn{1}{c}{Table missed info}\\
\hline
Block randomization=1&      0.0147&      0.0349&     -0.0750\\
                    &     (0.846)&     (0.630)&     (0.282)\\
[1em]
Tablet              &       0.182&      -0.226&      -0.101\\
                    &     (0.328)&     (0.215)&     (0.574)\\
[1em]
Desktop             &      -0.156&      -0.213&      -0.149\\
                    &     (0.044)&     (0.004)&     (0.034)\\
[1em]
Block randomization=1 $\times$ Tablet&      -0.481&      0.0855&       0.120\\
                    &     (0.041)&     (0.709)&     (0.591)\\
[1em]
Block randomization=1 $\times$ Desktop&     -0.0517&     -0.0304&     0.00776\\
                    &     (0.592)&     (0.740)&     (0.931)\\
[1em]
Constant            &       4.080&       3.478&       4.101\\
                    &     (0.000)&     (0.000)&     (0.000)\\
\hline
Observations        &        6617&        6617&        6617\\
\hline\hline
\end{tabular}
